Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Social Media Campaigns, AI Personalization, Social Media Marketing, Generative AI, AI powered creativity, Personalized Campaigns, Trend Analysis, Social Media Analytics, Social Media, Social Media Management, Content Performance Analysis, Instagram, Social Media Content, Content Creation, Driving engagement, ChatGPT, Marketing Automation, Automation, Creativity, Analytics
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), ASP.NET, Maintainability, Object Oriented Design, .NET Framework, JSON, Development Environment, Web Development, Application Frameworks, Restful API, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, File I/O, Web Applications, UI Components, Object Oriented Programming (OOP), Back-End Web Development, Functional Design, Application Deployment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C and C++, C++ (Programming Language), Development Environment, Performance Tuning, Test Tools, Docker (Software), Computer Architecture, Containerization, Development Testing, Programming Principles, Software Development Tools, Hardware Architecture, Performance Testing, Algorithms, Computer Programming, Python Programming, Debugging, Memory Management, Software-Defined Networking, Scripting
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Collaborative Software, GitHub, Technical Writing, Technical Support, Version Control, Document Management, Technical Documentation, Typography
★ 4.3 (144) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sociology, Social Sciences, Social Justice, Culture, Liberal Arts, Media and Communications, Cultural Diversity, Electronic Media, World History, Ethical Standards And Conduct
★ 4.7 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Scripting Languages
★ 4.6 (98) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Product Marketing, Value Propositions, Marketing Communications, Strategic Marketing, Strategic Communication, Brand Strategy, Product Strategy, Content Marketing, Communication Planning, Promotional Strategies, Brand Management, Branding, Product Knowledge, Copywriting, Content Performance Analysis, Customer experience strategy (CX), Target Audience, Persona Development, Target Market, Market Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Optimization, Model Training, Deep Learning, Performance Analysis, Artificial Neural Networks, Resource Utilization
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Medical History Documentation, Child Health, Childbirth, Airway Management, Pediatric First Aid, Neonatal Intensive Care Unit, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Patient Positioning, Maternal Health, Emergency Medical Services, Emergency Medicine, Hazard Communication (HazCom), Pediatrics, Postpartum Care, Patient Transport, Respiratory Care, Prenatal Care, Patient Evaluation, Patient Transfer Equipment, Environment Health And Safety
★ 4.8 (313) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Ad Hoc Reporting, Microsoft Excel, Business Reporting, Microsoft Access, Data Analysis Software, Data Manipulation, Business Intelligence Software, Data Presentation, Data Analysis, Business Intelligence, Data Access
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.4 (32) · Advanced · Course · 1 - 3 Months